package com.leyou.config;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * @author lee
 */
@Configuration
@EnableCaching
public class RedisConfig {


    /**
     * @author 纯洁的微笑
     * @source http://www.ityouknow.com/springboot/2016/03/06/spring-boot-redis.html
     * @param redisConnectionFactory
     * @return
     */
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        CacheManager cacheManager = RedisCacheManager.create(redisConnectionFactory);
        return cacheManager;
    }

    @Bean
    public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, String> redisTemplate = new RedisTemplate<String, String>();
        redisTemplate.setConnectionFactory(factory);
        // key序列化方式;（不然会出现乱码;）,但是如果方法上有Long等非String类型的话，会报类型转换错误；
        // 所以在没有自己定义key生成策略的时候，以下这个代码建议不要这么写，可以不配置或者自己实现ObjectRedisSerializer
        // 或者JdkSerializationRedisSerializer序列化方式;
        // Long类型不可以会出现异常信息;
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        redisTemplate.setKeySerializer(redisSerializer);
        redisTemplate.setHashKeySerializer(redisSerializer);
        return redisTemplate;
    }
}